Sector Update: Energy Stocks Advance Premarket Monday

09:28 AM EDT, 08/31/2026 (MT Newswires) -- Energy stocks were advancing premarket Monday, with the State Street Energy Select Sector SPDR ETF (XLE) 1.7% higher. The United States Oil Fund (USO) was up 2.7% and the United States Natural Gas Fund (UNG) was less than 1% higher. Front-month US West Texas Intermediate crude oil was 2.5% higher at $85.52 per barrel at the New York Mercantile Exchange. Global benchmark North Sea Brent crude oil rose 2.5% to $90.26 per barrel, and natural gas futures were up 0.2% at $2.89 per 1 million British Thermal Units. Apollo Global Management (APO) said funds it manages have agreed to sell cooling systems firm Kelvion to SLB (SLB) for $3.4 billion in cash, with SLB assuming approximately $700 million of debt, the companies said. Shares of SLB were up nearly 2% pre-bell. Eni (E) entered Uruguay's offshore sector through an agreement with MIWEN, a wholly owned subsidiary of YPF, and ANCAP to join the OFF-5 exploration block, following regulatory approval, the company said. Eni shares were up more than 2% premarket. Oneok (OKE) stock was up more than 1% after the company said it has agreed to acquire Brazos Midstream's Permian Midland Basin natural gas gathering and processing facilities for about $4.43 billion.